<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>学生列表</title>
    <script src="../../vue.js"></script>
</head>
<body>
   <div id="app">
        <button @click="add">添加学生</button>
        <button @click="del">删除学生</button>
        <table border="1" width="50%" style="border-collapse: collapse;">
            <tr>
                <th>班级</th>
                <th>姓名</th>
                <th>性别</th>
                <th>年龄</th>
            </tr>
            <tr align="center" v-for="item in students">
                <th>{{item.grade}}</th>
                <th>{{item.name}}</th>
                <th>{{item.gender}}</th>
                <th>{{item.age}}</th>
            </tr>
        </table>


   </div> 


   <script>
       var vm=new Vue({
           el:"#app",
           data:{
               students:[]
           },
           methods:{
               add(){
                   var student={grade:'1',name:'张三',gender:'男',age:25}
                   this.students.push(student)
               },
               del(){
                   this.students.pop()
               }
           }


       })



   </script>
</body>
</html>